A panel of international experts recommends against routine hormone treatment for adults with subclinical hypothyroidism, as it does not improve quality of life or symptoms. The guideline applies to most adults with the condition, except those trying to become pregnant or with severe symptoms.
Scientists at the University of Bonn and Amsterdam created a novel human nerve cell model consisting of a single nerve cell from pluripotent stem cells, providing highly standardized conditions for investigating nerve cell functions. The model was tested with various stimulation experiments and demonstrated highly reproducible data.
Researchers found toddlers actively initiate conversations with their parents, choosing topics and driving the conversation. The study used automatic speech recognition technology to analyze over 1,400 hours of recordings from 17 toddlers and their parents.
Researchers at University of Wisconsin-Madison find pIC accelerates cellular maturation, leading to more mature and functional cardiac muscle cells. The compound activates epigenetic changes, including increased expression of the JAG1 gene, resulting in improved contractility and electrical efficiency.
A recent study found that over 25 parrot species are breeding in 23 US states, with many being escaped pets or released by owners. Monk parakeets, Red-crowned Amazons, and Nanday Parakeets are among the most common species.
Scientists have developed a novel mission to collect year-round measurements of the ocean near Antarctica, revealing that deep water driving melting at the Totten Glacier is warmer and thicker in winter than summer. The study suggests the glacier might melt more rapidly in winter, with potential implications for future sea level rise.
A University of South Florida study reveals cofilin plays an essential role in worsening tau pathology, leading to brain cell death and neurodegenerative disorders like Alzheimer's. The research proposes inhibiting SSH1 as a potential target for treating Alzheimer's disease.
Dr. Geoffrey K. Mumford received the Senator Harold Hughes Memorial Award for his work in promoting evidence-based findings and improving prevention and treatment of alcohol use disorders. His efforts have bridged communities across the field, fostering a stronger connection between research and policy.
Researchers found that animals move faster through 'low quality' habitats, which could change conservation efforts. The study suggests using suburban and urban greenspace as strategic 'stepping stones' for species range shifts.
Tropical Cyclone Ann is moving over the Great Barrier Reef in the Coral Sea, bringing strong winds and heavy rainfall to northeast Queensland. The Australian Bureau of Meteorology has issued severe weather warnings for areas including Peninsula, North Tropical Coast and Tablelands, Herbert and Lower Burdekin Forecast Districts.
Researchers at the University of Göttingen advocate coordinated approaches that combine nature conservation and agricultural production in sustainably managed landscapes. This approach enables the highest species diversity, promotes ecosystem services such as pollination and biological pest control, and benefits people.
A study published in Sleep Health found that preschoolers who watch TV sleep significantly less than those who don't. The research suggests that TV use affects the quality and duration of sleep, and even stimulates or violent adult programming can interfere with children's ability to fall asleep.
Numerical modeling explains the escape of hydrogen atoms from Martian atmosphere into outer space due to water photodissociation. Seasonal winds and dust storms affect water circulation, but not in an obvious way.
A meta-analysis found that removing all tumor tissue reduces the risk of cancer recurrence in dogs by 60%. The study, published in Veterinary and Comparative Oncology, analyzed data from 10 studies involving 278 dogs with soft tissue sarcoma.
A new material made from manganese hydride has been discovered, enabling the design of smaller, cheaper, and more efficient fuel tanks for hydrogen-powered vehicles. This breakthrough could lead to longer driving ranges and reduced production costs.
A broadly effective dengue vaccine is still a substantial challenge due to the disease's complexity. However, experts suggest that rethinking existing concepts and developing live attenuated vaccines could lead to more effective solutions.
Researchers have identified two cell populations in the substantia nigra that control distinct phases of locomotion. The study reveals a critical role for these populations in maintaining correct movement, and their dysfunction may contribute to Parkinson's disease symptoms.
A study by James Cook University found that pelvic floor exercises can effectively manage erectile dysfunction (ED) and premature ejaculation (PE) in men, with cure rates as high as 47% for ED and 83% for PE. Physiotherapists recommend non-invasive exercises to build strength and control.
Astrophysicists from the University of Warwick have modelled the chances of different planets being destroyed by tidal forces when their host stars become white dwarfs. Small, hardy planets packed with dense elements are most likely to survive and reside just outside of the destruction radius.
Researchers have discovered a crucial role for the actin-binding protein MoABp1 in rice blast fungus pathogenesis. This finding sheds new light on eukaryotic cell biology and virulence mechanisms of plant pathogenic fungi, offering potential targets for anti-blast fungus management.
Scientists have developed a new test to examine a drug's embryotoxicity in cell cultures instead of animals. The test uses human liver tissue and embryoid bodies, allowing for early detection of substances harmful to embryos.
Researchers create comprehensive database of land use change and its impact on plant and insect life in the British Isles. The study aims to provide long-term context for current trends in biodiversity and inform conservation practices.
A University of Stirling study found that the UK's tobacco display ban has reduced smoking susceptibility among 11-16 year olds, making cigarettes seem unappealing and unacceptable. The ban also led to a decrease in cigarette brand awareness, with 90% of young never smokers supporting the policy.
Scientists have mapped the expected decline for each mammal species across all tropical forests due to hunting. The study found that more than half of tropical forests are under hunting pressure, with hotspots in Western and Central Africa and South-East Asia.
Researchers from the University of Southampton analyzed predictors of severe outcomes in uncomplicated lower respiratory tract infections. The study found that certain patient characteristics and factors can increase the risk of severe illness, highlighting the importance of early detection and treatment.
A new Johns Hopkins University study found that rewards can improve learning incrementally but mask the true knowledge animals have attained. The researchers trained mice, rats, and ferrets on various tasks with and without rewards, revealing a distinction between knowledge and performance.
Researchers at the University of Portsmouth found habitual coffee drinkers are faster and more sensitive to coffee aromas compared to non-coffee drinkers. The more they crave coffee, the better their ability to detect its scent.
Two patients with paraplegia regained the ability to walk with minimal assistance through a fully non-invasive brain-machine interface, producing over 4,500 steps. The technology combines EEG-based brain control with functional electrical stimulation to produce a smoother gait pattern.
Researchers found that targeting telomeres with oxidative stress can shorten them, leading to accelerated cellular aging and DNA instability. This could lead to potential cancer treatment strategies by stopping cancer cells from dividing.
Arts education can offer ways to disclose what is hidden and give tools to examine the ignorance, misunderstandings, and false beliefs within the historical and cultural contexts of hate speech.
A leading scientist proposes five rules to tackle antibiotic resistance, including protecting new drugs and using diverse antimicrobials. The World Health Organisation warns of a post-antibiotic era, and the study aims to provide a roadmap for integrated microbial management.
A new study published in Management Science found that post-release piracy increases revenue by 3% due to word of mouth effects, while pre-release piracy has a negative impact. The researchers used real-world data from online piracy sites and analyzed the effect on movie revenues.
Researchers from Kanazawa University discovered that saturation of transcription or translation generates a dead zone in the circadian clock system, enabling it to remain insensitive to light signals during daytime. This finding highlights the fundamental properties of circadian clocks determined at the single-cell level.
A review in the Harvard Review of Psychiatry suggests that wisdom is a complex concept that contributes to mental health and happiness. The authors propose that wisdom can be defined as a complex human trait with several specific components, including social decision making, emotion regulation, and self-reflection.
A breakthrough in a new material called a tandem perovskite solar cell has been achieved, bringing efficiency to about 23%, compared to silicon panels at 18% efficient. The goal is to make cheaper and more efficient solar cells that could replace silicon photovoltaic technology.
A new study finds that hunting is reducing large mammal populations by 40% in intact tropical forests. Hunting impacts are expected to be high in areas with high human population density and hunter access points.
A new measure of primary care evaluates vital functions through patient and clinician perspectives, reducing measurement burden. The Person-Centered Primary Care Measure assesses 11 domains, including accessibility, continuity, and goal-oriented care.
Researchers used high-throughput screening to design new multi-component alloys for biomedical applications, achieving efficient composition optimization and improved mechanical properties. The study employed a novel approach combining co-sputtering technology with physical masks to create compositional gradients.
A recent study published in Clinical Gastroenterology and Hepatology found a significant association between glyphosate exposure and nonalcoholic fatty liver disease (NAFLD) in human subjects. The study, led by Paul J. Mills, PhD, examined urine samples from patients with NAFLD and healthy individuals, revealing higher levels of glypho...
A new study reveals that over 25% of Quebec children diagnosed with type 1 diabetes already have diabetic ketoacidosis, a life-threatening complication. The number of cases has increased by two percent per year since 2001, highlighting the need for awareness campaigns and earlier diagnosis.
Researchers from Singapore University of Technology and Design uncovered a negative feedback loop in terms of decentralization in public blockchain philosophy. The findings indicate that incentives for miners to merge and act as single entities contribute to centralization, revealing a need for further research.
A new study found that areas near historical Dutch sugar factories in 19th century Java are more developed today, with higher per-capita consumption and better schooling. The research suggests that the creation of a colonial manufacturing industry led to a more modern economy, with places near factories having more public infrastructure.
Researchers analyzed human tracks from 14,000 years ago, discovering five individuals entered the cave barefoot, including young children who were active group members. The team found evidence of social or symbolic activities within inner chambers, suggesting humans engaged in fun activities during exploration.
A Mayo Clinic study of 444,764 patients found that tramadol was more likely than other opioids to result in prolonged use, challenging its classification as a lower-risk medication. The researchers used de-identified data from the OptumLabs Data Warehouse to examine prescription fills after surgery.
A new study on 46 mammal species reveals how the pursuit of starch drove evolutionary adaptations in animals. Mammals with starchy diets tend to have more copies of the amylase gene, which carries instructions for building amylase.
Researchers have identified a single gene, Lsdia1, responsible for snail shell coiling in a species of freshwater snail. The study reveals that this gene controls left-right asymmetry from the earliest stages of development.
A new study estimates that lifestyle risk factors, such as smoking and unhealthy diet, account for 114,497 annual cancer cases in Brazil, representing 27% of all cancer cases. Eliminating these risk factors could halve the number of certain types of cancer cases, according to Brazilian researchers.
Scientists at Argonne National Laboratory have developed a new cathode coating that provides extra layer of protection for battery cathodes while maintaining electrical and ionical conductivity. The coating also prevents oxygen release and promotes structural stability, leading to potential energy output increases and longer lifetimes.
A CT scan of a 30-million-year-old fossil indicates that echolocation evolved independently in dolphins and other toothed whales. The discovery suggests that the evolution of echolocation may have occurred multiple times within this lineage.
A recent study reveals that buprenorphine prescribers in nonmetropolitan areas predominantly come from primary care backgrounds. These physicians tend to have more flexible practice settings and accept Medicaid, differing from specialists who dominate large metropolitan areas.
Researchers investigated CO2 leakage through North Sea wells and found that it has detrimental effects on organisms living at the seabed. However, strong bottom currents disperse the dissolved CO2 quickly, limiting its impact.
Researchers at the University of Illinois at Urbana-Champaign found a wide difference in language exposure among fetuses, ranging from five hours to two hours and 45 minutes. This study aims to inform best practices for NICU care and understand the impact on early brain development.
Researchers at Karolinska Institutet have found that IL-1 inhibitors can reduce chronic inflammation in blood vessels exposed to radiation, which is linked to increased risk of cardiovascular disease. The study used an animal model and gene expression analysis to support the potential treatment.
A study analyzing Philadelphia's implementation of a 1.5-cent-per-ounce tax on sweetened beverages found it led to increased prices and significant declines in sales. The tax also prompted increases in purchases from neighboring areas.
A new study found that chronic opioid prescribing in primary care is associated with patient demographics, comorbidities, and clinician perspectives on pain management. Patients with higher comorbidities were more likely to receive chronic opioid prescriptions and at higher doses.
A new study has found that for-profit dialysis providers are charging private insurers up to four times more than government payers for the same treatment. DaVita alone controls 37% of the U.S. market and operates over 2,500 clinics, with annual financial statements revealing significantly higher prices paid by private insurers.
Children with protruding teeth are at a higher risk of damage, but regular check-ups can reduce this risk. Early identification and protection through braces and good oral habits can prevent long-term dental issues.
Research found that T-cells dominate advanced plaques and a subtype of T-cells, called CD4-positive effector memory cells, are more common in patients who have previously had a stroke or mini-stroke. This localized inflammation may be targeted by new immune therapies to reduce heart attack and stroke risk.
A new study reveals that medical residents experience accelerated telomere shortening, a marker of aging and disease risk, due to prolonged work hours. The research suggests that reducing stress through better work-life balance could help mitigate this effect.
A recent study by Penn Medicine researchers found that Philadelphia's beverage tax led to a 38% drop in sales of sugary drinks, with nearly 1 billion fewer ounces consumed. The tax also generated revenue for education programs, supporting universal pre-K and community schools.